Answer:
For heart disease and hypertension: Because they contain NSAIDs. It can raise blood pressure and cause other related problems.
For glaucoma: Because is a selective alpha-1 adrenergic receptor agonist, which can induce angle closure by mydriasis. People with glaucoma have narrow drainage angles.
For urinary retention: It can cause urinary retention because of its systemic action on α-adrenergic receptors.
